<p style="color: green">Sorry!URL Should be 'http://xxxxx'</p>

<%= form_remote_tag(:update => "main", 
                    :url => { :action => :create } ) %> 
<label>Blog's URL: </label> <%= text_field 'blog', 'url',:size => 24  %>
<%= submit_tag "Submit!" %> 
<%= end_form_tag %> 